20064639

素因数分解:

$3^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{2521}}^1$

素因数の和:2910

約数の個数: 16

約数和(自身を含む): 30667520

約数和(自身を除く): 10602881

約数列:

[1, 3, 7, 21, 379, 1137, 2521, 2653, 7563, 7959, 17647, 52941, 955459, 2866377, 6688213, 20064639]

約数ペア:

[(1, 20064639), (3, 6688213), (7, 2866377), (21, 955459), (379, 52941), (1137, 17647), (2521, 7959), (2653, 7563)]